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6979022 |
Flexible inflator with co-extruded propellant and moisture barrier
A flexible inflator for an inflation assembly and related gas generating propellant compositions are provided. The flexible inflator includes at least one elongated strand of a propellant...
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6817298 |
Solid propellant gas generator with adjustable pressure pulse for well optimization
A gas-generator is disclosed to intensify output of oil, gas, including gas from coal formations, or metals extracted by underground leaching by breakage and thermo gas chemical treatment of the...
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6779458 |
Method and apparatus for installing aft insulation in rocket motor case
A method and an apparatus are devised to install an insulation rubber loop in the aft end of a rocket motor case. The method includes the making of a rubber strip into a rubber loop by casting. The...
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6668725 |
Methods, apparatus, and systems for accelerated bioremediation of explosives
Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms. An explosive...
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6647888 |
Oxidizer package for propellant system for rockets
An oxidizer package for a propellant system for a motor in which the oxidizer is separated from fuel grain, the oxidizer package comprising oxidizer material and an ignition system therefor in a...
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6524706 |
Reduction of energetic filler sensitivity in propellants through coating
A main energetic ingredient filler useful for propellant-based munitions, comprising filler particles having a fine particle size of less than about 10 micrometers diameter and a thin coating of...
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6508177 |
Explosives with embedded bodies
An explosive charge such as a cast booster charge ( 10, 110, 210 ) includes an explosive charge ( 14, 114, 214 ) having a first explosive matrix material ( 114 a , 214 a ) with discrete bodies (...
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6502513 |
Tablet form of gas generant
A gas generant material body in the form of a tablet having a triangular cross section and associated methods of gas generation are provided.
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6494035 |
Towing rocket motor assembly
A towing rocket motor assembly has a tubular solid propellant grain defined by exterior surface area and interior surface area. The exterior surface area is inhibited from ignition within a tubular...
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6460461 |
Hybrid generator with perforating pillar and two-tube body
The present invention relates to the field of hybrid gas generators intended to inflate a protective airbag. The generator ( 1 ) consists of two metal tubes ( 50, 51 ) welded together, the...
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6378436 |
Portable propellant cutting assembly, and method of cutting propellant with assembly
A propellant cutting assembly and method of using the assembly to cut samples of solid propellant in a repeatable and consistent manner is disclosed. The cutting assembly utilizes two parallel...
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6360526 |
Rocket motor with desensitizer injector
A rocket motor having a desensitizing mechanism for preventing explosion or violent reaction during slow cook-off is provided. The rocket motor includes a case contained rocket propellant with a...
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6352029 |
Thermally actuated release mechanism
This invention relates to explosive charges in which the chemical and physical composition changes gradually from point to point in order to accomplish differing, specific design objectives. More...
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6345577 |
Energetic deterrent coating for gun propellant
Propellant compositions are coated with an energetic deterrent coating which reduces the burning rate at the surface of the propellant grain and causes the propellant to burn progressively. The use...
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6230626 |
Flashless MK 66 rocket motor
A flashless rocket propellent has a continuous potassium sulfate rod extending though the length of the propellent component. The flashless rocket propellent is particularly useful in the MK 66...
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6051087 |
Low smoke rocket motor liner compositions
A formulation is provided which is capable of performing as a liner layer between a rocket motor casing and the propellant grain disposed within the interior of the rocket motor casing. The...
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6026749 |
Multiple base propellant with combustion inhibitor
A combustion inhibiting composition for use in conjunction with a solid, gas-generating charge, the composition comprising an organic polymeric material containing an oxygen-containing organic...
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H001824 |
Vapor deposition of a thin polymer film on solid propellant rocket grain surface
A thin film of ignition inhibitor is applied uniformly to a rocket propelt grain which may be large and have a complex shape. The film is applied by condensation and polymerization of a vaporized...
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5970877 |
Gun propellant coating
A coating for a gun propellant powder wherein the graphite commonly used to coat a gun propellant powder is totally or partially replaced with molybdenum disulfide in an amount equal to or less...
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5874688 |
Explosives dispersed from a pressurized container
The invention provides a method and apparatus (10) for loading a sensitized flowable explosive into a borehole. The apparatus (10) is portable and comprises containers 14, 16 which are...
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5861571 |
Gas-generative composition consisting essentially of ammonium perchlorate plus a chlorine scavenger and an organic fuel
This invention relates to gas-generative compositions consisting essentially of ammonium perchlorate with a chlorine scavenger, such as strontium nitrate, barium nitrate, potassium nitrate, or...
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5841065 |
Gas generants containing zeolites
In a gas generant composition containing a source of ammonia, such as an ammonium salt or an ammonia-transitional metal complex that emits ammonia as a degradation product, a zeolite, particularly...
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5728633 |
Interpenetrating network compositions and structures
Structure, composition and method in which a fiber reinforcement is impregnated with an interpenetrating network of a light cure resin and a thermosetting resin which are independently curable,...
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5682013 |
Gas generant body having pressed-on burn inhibitor layer
A pyrotechnic grain or body of a gas generant having a consolidated or pressed-on, particulate inert burn inhibitor layer thereon. The inhibitor may be a metal oxide, metal sulfide, silica,...
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5682009 |
Propellant containing a thermoplatic burn rate modifer
There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing an energetic binder base and a thermoplastic burn deterrent. The energetic binder has in...
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5675102 |
Method of assembling a hybrid inflator and related propellants
A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a...
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5672843 |
Single charge pyrotechnic
A single charge pyrotechnic material comprising a metal fuel, an oxidizer and a secondary fuel which can be used to control the rate of reaction of the pyrotechnic. The composition can be used as a...
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5670740 |
Heterogeneous gas generant charges
A gas generant charge comprises a heterogeneous mixture of between about 80 and about 95 wt % of a first gas generant composition 1) and between about 5 and about 20 wt % of a second gas generant...
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5659150 |
Gas generating composition with cyanamide and transition metal nitrate
The present invention comprises a gas generating composition for, when ignited, providing inflation fluid for inflating an air bag (16) of a vehicle occupant protection device (12). The composition...
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5627337 |
Hybrid inflator and related propellants
A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a...
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5602361 |
Hybrid inflator
A hybrid inflator for an automotive inflatable safety system and method for assembling the same. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the...
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5578787 |
Gas generating agent of air bag inflation gas generator
This invention relates to an air bag inflation gas generator used to inflate air bags such as air bags for impact safety devices, life jackets, rafts, and escape chutes, and particularly to a gas...
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5557059 |
Tubeless cased telescoped ammunition
A tubeless cased telescoped ammunition is disclosed. The ammunition is ignited and a sequenced ignition is achieved. The ammunition includes a sealing coating for delaying ignition of the main...
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5540155 |
Fuse and a method of manufacturing it
An elongate flexible fuse is provided, preferably by an extrusion process, which consists of an oxidizing agent and a fuel present in quantities which will permit a rate of burning of from 10...
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5524544 |
Nitrocellulose propellant containing a cellulosic burn rate modifier
There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing a nitrocellulose base and a cellulosic thermoplastic deterrent, preferably cellulose acetate...
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5518054 |
Processing aids for gas generants
In a gas generant composition for automotive airbag inflation, a gas generant composition comprises a fuel and an oxidizer the composition includes a metal oxide or metalloid oxide and a processing...
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5501152 |
Air bag gas generator with spontaneous ignition agent
A spontaneous ignition agent for an air bag gas generator with excellent temperature resistance comprises essentially nitrocellulose, an inorganic oxidizing agent, and carbon.
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5495807 |
Gas-generating module for an airbag utilized in motor vehicles
A gas-generating module for an airbag utilized in motor vehicles, which includes a gas-generating composition and an igniting composition arranged within a container. The gas-generating composition...
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5470406 |
Gas generator composition and process for manufacturing the same
The gas generator composition contains sodium azide and an oxidizing agent as major components. This gas generator composition additionally contains 2 to 8% by weight of magnesium aluminate. To...
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5467715 |
Gas generant compositions
A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt % of...
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5465664 |
Fuel and explosive composition with ferric or cupric ion and reducing sugars
This invention relates to fuels used in explosive, pyrotechnic, gas generating, and propellant compositions. The fuel composition of the present invention comprises the reaction products formed as...
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5437229 |
Enhanced thermal and ignition stability azide gas generant intermediates
Slurry and spray dried azide-based gas generant intermediates are made having a hydrazoic acid content of less than about 3×10 EXP(-3) M/L, a pH of greater than 8.0 up to about 12.5, and impurity...
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5431103 |
Gas generant compositions
A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt % of...
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5417161 |
Fabrication of molded block of dilute high explosive foamed polyurethane
A process, apparatus, and composition are disclosed for forming a molded foamed polyurethane explosive block with pentaerythritol tetranitrate in a manner in which the generation of excessive...
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5417160 |
Lead-free priming mixture for percussion primer
There is provided a lead-free primer mix having high sensitivity. The primer mix contains an initiating explosive, a sensitizer, a propellant, calcium silicide and an oxidizer. The ignition exhaust...
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5386776 |
Bore mitigants for solid propellant rocket motors
Methods and materials for modifying rocket motors to render them safer are disclosed. The invention is primarily related to placing within the bore of a rocket motor a sufficient quantity of a...
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5386775 |
Azide-free gas generant compositions and processes
Composition and process for inflating an automobile or aircraft occupant safety restraint bag which reduces the toxicity of the gases produced by gas generants. A relatively low energy nitrogen...
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5379699 |
Active spray rocket propellant ignition controller
An igniter for solid fuel rockets in which hot gases from an initiator are hanneled to drive a piston against a reservoir of combustion modifying fluid, like ethylene glycol, so as to spray the...
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5377593 |
Interpenetrating network combination of ultraviolet and thermally cured rocket motor liner composition and method
An interpenetrating network combination of ultraviolet and thermally curable rocket motor liner formulation comprising an optional solid filler, at least one ultraviolet curable polymer, an...
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5372070 |
Burn rate modification of solid propellants with bismuth trioxide
Propellant formulations are provided which include non-toxic burn rate modifiers. In order to produce a usable propellant formulation, it is necessary to control the burn rate of the propellant....
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